About: http://webisa.webdatacommons.org/289974391

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Others, including the self-employed, with earnings of less than $1,200 per year could voluntarily join the program.
http://www.w3.org/ns/prov#wasQuotedFrom	hindawi.com